2009142920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59023}}^1$

素因数の和:59094

約数の個数: 64

約数和(自身を含む): 4844689920

約数和(自身を除く): 2835547000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 3404, 4255, 6808, 8510, 17020, 34040, 59023, 118046, 236092, 295115, 472184, 590230, 1180460, 1357529, 2183851, 2360920, 2715058, 4367702, 5430116, 6787645, 8735404, 10860232, 10919255, 13575290, 17470808, 21838510, 27150580, 43677020, 50228573, 54301160, 87354040, 100457146, 200914292, 251142865, 401828584, 502285730, 1004571460, 2009142920]

約数ペア:

[(1, 2009142920), (2, 1004571460), (4, 502285730), (5, 401828584), (8, 251142865), (10, 200914292), (20, 100457146), (23, 87354040), (37, 54301160), (40, 50228573), (46, 43677020), (74, 27150580), (92, 21838510), (115, 17470808), (148, 13575290), (184, 10919255), (185, 10860232), (230, 8735404), (296, 6787645), (370, 5430116), (460, 4367702), (740, 2715058), (851, 2360920), (920, 2183851), (1480, 1357529), (1702, 1180460), (3404, 590230), (4255, 472184), (6808, 295115), (8510, 236092), (17020, 118046), (34040, 59023)]